Your points are addressed in the post just not in the title.
It’s not running real container images. Maybe a better idea is simulated Kubernetes.
What’s ported is the control plane: scheduler, kube-proxy, deployment controller, etc, transliterated from the actual Go source and tested against k3s for behavioral parity using the same client API. The “rendering” is the demo app visualizing pod-to-pod requests as moving dots.
Right, that's what I thought - still very cool!
Just a misleading title, I think.
It's not "k8s ported to the browser" so much as a web based monitoring tool.
Looks great, btw.